Hook



FIG. 1 is an isometric view of a top, front, and left side of an ornamental design for a hook;

FIG. 2 is a left side elevational view of the hook of FIG. 1;

FIG. 3 is a right side elevational view of the hook of FIG. 1;

FIG. 4 is a rear elevational view of the hook of FIG. 1;

FIG. 5 is a front elevational view of the hook of FIG. 1;

FIG. 6 is a top plan view of the hook of FIG. 1; and,

FIG. 7 is a bottom plan view of the hook of FIG. 1. 

CLAIM The ornamental design for a hook, as shown and described. 